(Random House, 304 pp.) Fans of Schwartz鈥檚 1998 novel 鈥淩eservation Road鈥 will be delighted to see a sequel arrive this summer. Dwight Arno (the hit-and-run-driver of 鈥淩eservation Road鈥) is now out of jail and living on his own in California when his estranged son Sam, a college student deep in troubles of own, turns up on his doorstep. (July)